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- The bigger the amount of back mixing in double-reactor, the broader the distribution of relative molecular mass of SSBR product. 双釜反应器的返混量越大，聚合产物的相对分子质量分布越宽，越接近单釜聚合产物的相对分子质量分布。
- Discussion the mechanism of back mixing of vinegar 食醋返混机理初探
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- Back mixing factors and treating methods of setting tanks 澄清桶返浑的原因及处理方法
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- The school has a large biological laboratory. 这所学校有一个很大的生物实验室。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
- I never lend books; you never get them back. 我的书决不外借，因为总是有去无回。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
- The talks have been put back to Friday morning. 谈判推迟到星期五早上进行。
- He hated to tuck his tail and back down now. 他讨厌此时夹着尾巴退回来。
- After a long coma the sick man slowly came back. 昏睡了好久以后，那个病人慢慢地恢复了活力。
